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Figure 5�8 – Direct Digital Control (DDC)

Front and rear views with detail of electrical connections.

LEGEND

STA

ambient temperature probe - 2-pole connector

SAE

external alarm systems - 3-pole connector

power supply 24 V AC - 4-pole connector

external consents - 6-pole connector

CAN BUS network connector (orange)

SPC

232 serial connection to PC - 9-pole connector

mounting holes DDC

For instructions regarding other connections (optional: to be done by the electrical

installation technician in accordance with the user's requirements) and, in general, for

the DDC installation and user instructions, see the two booklets in question.

Before installing the DDC, disconnect the appliance from its power supply with the

power switch in its electrical panel.

1) How to fit the Direct Digital Controller (DDC)
The DDC in indoor installations must be applied to a panel as follows (see Figure

5.9

→

53):

You will need: the appliance and the DDC disconnected from the electricity supply.

Necessary equipment and materials.

Make a rectangular opening 155 mm wide and 151 mm high;

Locate the DDC on this hole and mark the 4 points where the holes are to be

made to fix it. See the figure.

Drill no. 4 holes of dia. 4 mm.

Proceed with the operation of making fast the DDC on the opening of the panel

using the screws and nuts supplied.

Содержание AY Series

Страница 1: ...Installation user and maintenance manual AY Condensing line AY series Gas powered 4 star condensation boiler for heating ...

Страница 2: ...of this manual other than for personal consultation must be previously authori sed by Robur S p A The rights of those who have legitimately filed the registered trademarks contained wi thin this publication are not affected With the aim of continuously improving the quality of its products Robur S p A reserves the right to modify the data and contents of this manual without prior notice ...

Страница 3: ...PLES 25 4 2 POSITION OF THE APPLIANCE 25 4 3 HYDRAULIC CONNECTIONS 27 4 4 GAS SUPPLY SYSTEM 30 4 5 CONDENSATE DISCHARGE CONNECTION 31 4 6 FILLING THE SYSTEM CIRCUIT APPLIANCE 32 4 7 FILLING THE APPLIANCE S INTERNAL CIRCUIT 33 4 8 EXHAUSTING THE COMBUSTION PRODUCTS 34 4 9 PROGRAMMING OF HYDRAULIC PARAMETERS 38 5 ELECTRICAL SYSTEM INSTALLATION TECHNICIAN 41 5 1 CONNECTING THE APPLIANCE TO THE MAINS ...

Страница 4: ...4 ...

Страница 5: ...s the information necessary to use the appliance correctly according to the user s own requirements SECTION 4 is intended for use by the hydraulic installation technician it provides the indications necessary for the technician for the creation of the hydraulic plant and gas supply system SECTION 5 is intended for use by the electrical installation technician it provides the information required t...

Страница 6: ...6 START OF OPERATING PROCEDURE REFERENCE to another part of the manual or other document ...

Страница 7: ... Paragraph 2 4TECHNICAL DATA 11 as well as on the Nameplate of the appliance itself Safety The appliance must only be used for the purposes for which it has been designed Any other use is considered inappropriate and therefore dangerous The manufacturer do es not accept any contractual or extra contractual liability for any damage caused by improper use of the appliance Do not operate the applianc...

Страница 8: ...tions regarding the following must be observed Gas equipment Electrical equipment Heating systems employing condensation boilers Every other standard and regulation that concerns the installation of equipment for summer and winter air conditioning using gas fuel The manufacturer does not accept any contractual or extra contractual liability for any damage caused by errors in installation and or fa...

Страница 9: ...e fails to operate correctly with the consequent indication of the Machi ne code follow the instructions of Paragraph 8 1 MACHINE OPERATING CODES 77 In the event of failure of the appliance and or breakage of any of its parts refrain from any attempt to repair and or restore operation of the appliance through direct action deactivate the appliance immediately if permitted and if no condition of da...

Страница 10: ... section of circuit running from the exchanger to the hydraulic unions on the service plate is itself a part of the system circuit Control and management of operation of the appliance occurs via the on board electronics through the microprocessor control board see Figure 3 1 On board electronics 19 Control and management of operation of the appliance may also take place via the Direct Digital Cont...

Страница 11: ...electronics 19 S70 controller Figure 3 1 On board electronics 19 ionisation based flame controller gas solenoid valve with double shutter system water antifreeze function internal circuit antifreeze function automatically resettable water temperature limiting thermostat single use fumes limiting thermostat thermal cutout system circuit water differential pressure switch PD1 internal circuit water ...

Страница 12: ... Tr30 104 6 Efficiency at 30 of nominal thermal capacity Tr 30 C 107 5 Efficiency at 30 of nominal thermal capacity Tr 47 C 100 3 ELECTRICAL SPECIFICATIONS Power supply Voltage V 230 TYPE single phase Frequency 50 Hz supply 50 Electrical power absorption Nominal kW 0 185 Degree of protection IP X5D INSTALLATION DATA Minimum storage temperature C 30 Maximum operating temperature bar 3 Water content...

Страница 13: ... 2 2 SERIE AY SERIE AY Water flow Water T 20 C l h Pressure drops bar 1008 0 0 066 1198 0 0 085 1398 0 0 106 1608 0 0 136 1801 0 0 165 2007 0 0 204 2199 0 0 234 2400 0 0 269 2601 0 0 312 2797 0 0 353 3000 0 0 406 3201 0 0 469 Graphic 2 1 SERIE AY Water flow l h Pressure drops bar ...

Страница 14: ...14 2 5 DIMENSIONS AND SERVICE PANEL Figure 2 2 Dimensional drawing of model AY00 120 AY00 120 front and RH side views dimensions in mm LEGEND Series AY model AY00 120 ...

Страница 15: ...sing line AY series 15 Figure 2 3 SERVICE PANEL Series AY AY Condensing line Series AY service plate dimensions in mm LEGEND G gas fitting G 3 4 M A outlet water fitting G 1 1 4 F B inlet water fitting G 1 1 4 F C condensate drain fitting ext dia 25 mm ...

Страница 16: ...16 ...

Страница 17: ...ation technician Start up Switch on the appliance by means of the on off command placing it in the ON position Shut down Switch off the appliance via the on off command placing it in the OFF position The shutdown cycle takes approximately 3 minutes to complete The on off command is essential Do not switch the appliance on or off by connecting it to or disconnecting it from the power supply directl...

Страница 18: ...able 8 1 TABLE OF OPERATING CODES generated by the controller firmware ver sion 3 100 77 In this case reset is not automatic To restore operation of the appliance carry out a reset of the flame control unit via menu 2 of the controller the procedure is illustrated in Paragraph 3 3 RESET OPERA TIONS 21 After it is reset the appliance will make a new attempt to activate If the appliance locks out se...

Страница 19: ...OSTATING SET POINT T DIFFERENTIAL 3 Menu 4 INSTALLATION TECHNICIAN SETTINGS 4 Menu 5 TECHNICAL ASSISTANCE CENTRE SETTINGS 5 Menu 6 TECHNICAL ASSISTANCE CENTRE SETTINGS MACHINE TYPE 6 Menu 7 VIEW DIGITAL IMPUTS 7 Menu 8 MENU NOT USED 8 E EXIT MENU E Menu list of electronic board Menus 0 1 and 7 are Viewing Menus they only allow the information displayed to be read and not modified Menu 0 shows the ...

Страница 20: ...erature outlet inlet 10 0 Example of data visualised on display water temperature and differential If there are operating problems the display shows sequentially the operating codes corresponding to the problem detected A list of these codes with their description and the procedure to follow to bring the appliance back to correct operation is provi ded in Paragraph 8 1 MACHINE OPERATING CODES 77 T...

Страница 21: ...ngs have been completed put away the special key replace the cap on the aperture of the electrical panel and refit the front panel of the appliance 3 3 RESET OPERATIONS Table 3 3 Menu 2 of the AY10 controller 21 shows the actions available in menu 2 Table 3 3 Menu 2 of the AY10 controller ACTION REQUIRED FOR EXECUTION SHOWN ON DISPLAY AS 20 Reset flame controller arrest 2 20 21 Reset other operati...

Страница 22: ... until E displays and press 7 it to exit At this point if the display does not signal any other operating codes put away the special key replace the electrical panel cover and refit the front panel Reset other operating codes parameter 21 You will need the display reads 2 20 as per step 3 Turn the knob clockwise until action 2 21 displays 4 Press the knob to display the flashing reset request rEr1...

Страница 23: ...ly approxima tely 3 minutes Close the gas cock if compatible with the antifreeze functions Paragraphs 4 6 2 FILLING THE SYSTEM CIRCUIT APPLIANCE 32 and 4 7 FILLING THE APPLIAN CE S INTERNAL CIRCUIT 33 Switch off the DDC if present 3 Disconnect the appliance from the mains if compatible with antifreeze fun 4 ctions Paragraphs 4 6 FILLING THE SYSTEM CIRCUIT APPLIANCE 32 and 4 7 FILLING THE APPLIANCE...

Страница 24: ...appliance disconnected from the electricity and gas supply Neces sary equipment and materials Open the gas supply tap to the plant and ascertain that there is no smell of gas 1 indicating possible leaks if you smell gas close the gas valve again immediately without operating any other electrical device and from a safe place request the assistance of professionally quali fied personnel If no smell ...

Страница 25: ...SUPPLY SYSTEM 30 The appliance may be installed both indoors and outdoors in case of outdoors installation the appliance must be located in an area in which air circulates na turally and which does not require any particular protection from the weather No obstruction or overhanging structure protruding roofs eaves balconies led ges trees may obstruct the exhaust fumes outlet at the top of the appl...

Страница 26: ...in Paragraph 2 4 TECHNICAL DATA 11 In addition it is advisable to use flexible connections anti vibration joints between the appliance and the hydraulic and gas supply pipes Avoid positioning the appliance directly above rest areas or other areas that require quiet Supports and levelling The appliance must be correctly levelled by placing a level on the upper part of the appliance If necessary lev...

Страница 27: ...plate to prevent vibration The components described below to be fitted in proximity to the appliance are il lustrated in the typical hydraulic plant schemes in Figures 4 2 Diagram of hydraulic system type with single appliance 29 and 4 3 Diagram of hydraulic system type with several appliances 30 VIBRATION DAMPING COUPLINGS PRESSURE GAUGES range 0 3 bar FLOW REGULATION VALVE shutter or balancing W...

Страница 28: ...e as a default can only be deactivated when a suitable glycol concentration is present in the circuit or the circuit is emptied at the start of the winter The second antifreeze function protects the internal circuit against freezing it runs the internal circuit water circulator This function may not be deactivated inasmuch it is also used to protect the machine s electronics during normal operatio...

Страница 29: ...operation of the appliance for calculation of pressure drops in the appliance refer to the technical data Paragra ph 2 4 TECHNICAL DATA 11 The operations necessary for the first activation or regulation of the appliance and of the Direct Digital Controller must be carried out exclusively by an authorized Robur Technical Assistance Centre TAC These operations are described in Section 6 INITIAL ACTI...

Страница 30: ...rculator 8 DDC 9 AY00 120 stand alone 4 4 GAS SUPPLY SYSTEM The installation of gas supply pipes must be carried out in compliance with norms and other current regulations The pressure of the gas supplied by the mains see Table 4 1 31 must be within the range of 17 and 25 mbar for natural gas G20 and between 25 and 35 mbar for LPG both G30 and G31 Supplying gas to the appliance at higher pressures...

Страница 31: ...lows The condensate discharge to the sewer must be implemented with material capable of resisting a degree of acidity equal to 3 5 pH sized to ensure a slope of 40 mm per metre of length if this slope cannot be achieved a condensate pump must be installed near to the discharge implemented in such a way as to prevent the condensate icing in the expected operating conditions mixed for example with d...

Страница 32: ...isation of the glycol and therefore its degradation is the presence of an oxidising agent such as oxygen In closed circuits in which no replenishment of water and therefore of oxygen occurs over the course of time once the oxygen initially present has reacted the degenerati ve phenomenon of glycol is hugely inhibited Most circuits however are of the non sealed type and therefore receive a more or ...

Страница 33: ...essure gauge Figure 4 4 Filling the machine s internal circuit 34 detail B The optimal pressure value is in the range 1 and 2 bar If the internal circuit must be recharged proceed as follows The internal circuit is hermetically sealed If the circuit is empty this is a fault iden tify the leak and restore the seal for example by replacing defective gaskets before proceeding You will need 50 50 glyc...

Страница 34: ...olts 3 Restore the appliance and put away the union 4 Figure 4 4 Filling the machine s internal circuit Detailed description of filling procedure LEGEND A manual air vent cock B pressure gauge C filler cock D hose fitting D 13 standard supply notch in horizontal position cock closed notchinverticalposition cockopen 4 8 EXHAUSTING THE COMBUSTION PRODUCTS The appliance which is supplied in the B53P ...

Страница 35: ... of the DN80 1 extension pipe detail B Fit the DN80 rain guard detail C to the DN80 extension pipe B with the rain 2 guard lip turned towards the exterior of the kit A B C Remove the protective sticker on the top panel 3 The sticker prevents water and foreign bodies entering the appliance before the fumes kit is installed The sticker should thus be removed only when the kit itself has been fully a...

Страница 36: ...for sizing type B installation flues Example to install a horizontal fumes pipe using n 1 DN80 90 C curve the maximum extension possible with DN80 straight pipe sections is 29 m The following other type B configurations are also possible B23P and B33 for specifi cations see Table 4 5 Installation configuration types B and C 37 Exhaust pipes exposed to atmospheric agents must be made of black polyp...

Страница 37: ...stion products are exhausted outside from the wall or roof while the combustion air is drawn directly from the room in which the appliance is installed This configuration can ONLY be installed in open areas or areas sufficiently well ventilated and free of combustible powders B33 Evacuation of combusted gas into the flue combustion air drawn directly from the room in which the appliance is install...

Страница 38: ...ameters Hot water thermostat control parameter 160 This parameter takes two values 0 and 1 Value 0 indicates that the appliance s activation deactivation temperature is to be read by the water probe at the appliance s INTAKE Value 1 indicates that the appliance s activation deactivation temperature is to be read by the water probe at the appliance s OUTLET Hot water setpoint parameter 161 this par...

Страница 39: ...plays press to confirm 0 intake water ther mostat control The display now shows the current parameter 3 73 or 3 160 again the para 4 meter has been set to its new value Turn the knob to display the next parameter The display shows 3 75 or 3 161 5 To access a parameter press the knob the displays shows the preset value e g 60 flashing to indicate that it can be modified Press again to confirm 60 wa...

Страница 40: ...etting the maximum water temperature setpoint both at the outlet parameter 156 and the intake parameter 157 accessible in menu 5 and hence for the Robur TAC only For example if the appliance is used on a system for underflo or heating parameters 156 and 157 must be set to limit the user s options in set ting temperature setpoint parameter 161 also available in menu 3 and thus prevent operational s...

Страница 41: ...l plant of the appliance the professionally qualified personnel concerned are advised to read Paragraph 2 1 WAR NINGS 7 it provides important information regarding installation safety and refe rences to current regulations Before making the electrical connections or any checks make sure that work is not carried out on live elements Figure 5 1 Series AY AY10 S70 controllers 41 illustrates in their ...

Страница 42: ...al clamps max 700W V3V 1 2 N machine circulator terminal clamps MAIN 230V L N power supply connector IGN BOX N L ignition controller connector COMPONENTS OF CONTROLLER AY10 P1 blower control connector PWM signal output GND ground THRC input hot water temperature probe connector THMC output hot water temperature probe connector TA2 TA1 auxiliary temperature probes connector J1 CAN BUS jumper P8 GND...

Страница 43: ...probe system circuit TH combustion unit limit thermostat machine internal circuit TF fumes thermostat PD2 differential water pressure switch machine internal circuit PD1 differential water pressure switch system circuit TL water limit thermostat P1 water circulator machine internal circuit LS gas valve ON indicator lamp GV gas solenoid valve IGNTR ignition transformer IGN ignition electrodes FLS f...

Страница 44: ...ng 1 the bolts securing it Prepare a cable of the FG7 O R 3Gx1 5 type for the power supply to the 2 appliance Locate terminal block MC inside the panel and hook up as shown in the 3 figure On completion restore the appliance to its fully assembled condition 4 The insertion of relays or other electrical components inside the General Electrical Pa nel of the appliance is not permitted Do not activat...

Страница 45: ...ent and materials Make sure that the electrical panel configured by the technician is equipped with a 2 pole circuit breaker with minimum air gap of 3 mm and two type T fuses of suitable rating On each appliance remove the front panel and open the electrical panel by re 1 moving the bolts securing it For each appliance provide a FG7 O R 3Gx1 5 type cable 2 Locate terminal block MC inside the panel...

Страница 46: ... power absorption less than 700 W To make the circulator appliance connections proceed as follows references to Figure 5 5 Direct control of independent circulator 47 You will need the appliance connected hydraulically single phase water circu lator 230 V AC with power absorption less than 700 W Necessary equipment and materials In this case the circulator s 230 V AC power can be taken directly of...

Страница 47: ...mple and install a NO contact circulator control relay Then point 4 Locate and open jumper J2 as shown in detail A jumper open in the next figure 5 6 Direct control of shared circulator 49 Fit the relay inside the external electrical panel provided by the installation technician The insertion of relays or other electrical components inside the General Electrical Pa nel of the appliance is not perm...

Страница 48: ...ermal switch a secondary SELV safety transformer and control relay On each appliance remove the front panel and open the electrical panel by re 1 moving the bolts securing it Prepare a suitable cable for the connection 2 Locate the NO Contact terminals on the S70 controller of each appliance and 3 hook up as shown in the Figure Make sure the ground cable is longer than the live cables In this way ...

Страница 49: ...e NO contact maximum power absorption 700 W J2 system water circulator control jumper A detail of open jumper MC 230 V AC power terminal block RST N PHASE NEUTRAL terminals for three phase power 400 V AC ground ground terminal IP system water circulator power switch KQ motor protector or maximum current differential circuit breaker for system water circulator 400 V AC PTR SELV secondary safety tra...

Страница 50: ...mmable timer or other such device To make the connection proceed as follows references to Figure 5 7 Series AY opera ted by on off consent switch 51 You will need the appliance connected hydraulically consent switch Necessary equi pment and materials Remove the appliance s front panel and open the electrical panel by removing 1 the bolts securing it Prepare a suitable cable for the connection 2 Lo...

Страница 51: ...formation on the installation and connection of the device to the appliances Proceed as follows qualified installation technician only 1 How to fit the Direct Digital Controller DDC 2 How to supply power to the Direct Digital Controller DDC 3 How to connect the Direct Digital Controller DDC to the appliance Figure 5 8 Direct Digital Control DDC 52 gives rear and front views of the DDC along with i...

Страница 52: ...he DDC installation and user instructions see the two booklets in question Before installing the DDC disconnect the appliance from its power supply with the power switch in its electrical panel 1 How to fit the Direct Digital Controller DDC The DDC in indoor installations must be applied to a panel as follows see Figure 5 9 53 You will need the appliance and the DDC disconnected from the electrici...

Страница 53: ...upply the external electrical panel configured by the installation technician Necessary equipment and materials Make sure that the external electrical panel is equipped with a 230 24 V AC 50 60 Hz safety transformer of at least 20 VA power Remove the DDC s back panel by undoing the 4 bolts securing it detail A Fi 1 gure 5 8 Direct Digital Control DDC 52 Use an electrical power cord minimum cross s...

Страница 54: ... with a backup battery which retains the memory settings in case of power failure The battery has a service life of around 7 years after which it must be replaced by the Robur TAC 3 How to connect the Direct Digital Controller DDC to the appliance The appliance and the DDC communicate with each other via the CAN network data network which is characterised by a number of nodes connected by the CAN ...

Страница 55: ...um distance covered by each single type Table 5 2 CAN BUS cables type CABLE NAME SIGNAL COLOR MAX LENGTH Note Robur Ordering Code O CVO008 ROBUR NETBUS H BLACK L WHITE GND BROWN 450 m Honeywell SDS 1620 In all cases the fourth conductor should not be used BENDEL 3086A H BLACK L WHITE GND BROWN 450 m TURCK type 530 DevideNet Mid Cable TURCK type 5711 H BLUE L WHITE GND BLACK 450 m Honeywell SDS 202...

Страница 56: ...re 5 18 CAN BUS connection for multiple appliance systems 62 wiring diagram for 1 DDC connected to multiple appliances Step A connect the CAN BUS cable to the DDC The CAN bus cable connects to the specific orange connector supplied with the DDC as shown in Figure 5 12 56 Figure 5 12 Orange connector for CAN BUS connection to DDC supplied with DDC LEGEND The DDC is equipped with jumpers that must b...

Страница 57: ...ou will need DDC not powered up Necessary equipment and materials Depending on the type of node being configured set the DDC s jumpers as 1 shown in detail A or detail B in the figure If necessary open the DDC s back panel 4 bolts after the jumpers have been correctly positioned close the cover again and retighten the 4 bolts if the DDC is an intermediate node on the network with no 6 wires in the...

Страница 58: ... Figu 4 re 5 13 Connection from CAN BUS to connector P8 57 details C and D Now proceed as follows Connect the three coloured wires to the orange connector as shown in detail A 5 in the figure Observe the terminal markings L H GND on the DDC at the base of the socket P8 which are given both in Table 5 2 CAN BUS cables type 55 and in the figure if the DDC is an intermediate node on the network also ...

Страница 59: ...of CAN BUS cable to connector P8 on controller AY10 59 You will need appliance not powered up Necessary equipment and materials Remove the front panel of the appliance and the cover of the electrical panel 1 Cut a length of cable long enough to allow it to be installed without kinking 2 Having chosen one end of the length of cable remove the sheath from a length 3 of approximately 70 80 mm taking ...

Страница 60: ...e type of node being con 3 nected to the cable fixing bracket so that the rolled back sheathing makes so lid contact with the metal bracket The cable should be secured against pulling out Now depending on the type of node being configured set the jumpers on the 4 appliance s controller as shown in detail A or detail B in Figure 5 16 detail of wires and jumpers J1 appliance terminal intermediate no...

Страница 61: ...nnection for single appliance systems CAN BUS cable connection between DDC and one appliance LEGEND DDC digital control panel SCH controller AY10 S70 J1 CAN BUS jumper on AY10 controller J21 CAN BUS jumper on DDC board A terminal node connection 3 wires J1 and J21 closed H L GND data signal wires ...

Страница 62: ... between 1 DDC and multiple appliances LEGEND DDC digital control panel SCH controller AY10 S70 J1 CAN BUS jumper on AY10 controller J21 CAN BUS jumper on DDC board A terminal node connection 3 wires J1 and J21 closed B intermediate node connection 6 wires J1 open H L Gnd d ata signal wires ...

Страница 63: ...erating parameters The entire procedure for the initial activation of the appliance must only carried out by an authorised Robur Technical Assistance Centre TAC The product s guarantee may be void if the procedure is not carried out by a Robur TAC On leaving the factory the appliance is reliable and tested Step 1 Preliminary verification of plant compliance The Robur TAC technician must check that...

Страница 64: ...not permit access and maintenance operations in safety control of switching on and off of the appliance not via the DDC but via the ex ternal switch connecting the appliance to the power supply mains GS fitted by the electrical installation technician on a suitable panel situations attributable to defects or failures of the appliance that took place du ring its transport or installation smell of g...

Страница 65: ...es skip directly from step 3 to step 12 Undo the bolt sealing the inlet gas pressure socket D 4 Connect the manometer to the gas intake mains pressure 5 Open the gas valve 6 Read the value of the 7 static mains pressure on the manometer and check that the value read is within the expected gas pressure range see Table 4 1 31 17 to 25 mbar for natural gas G20 25 to 35 mbar for LPG G30 and G31 Close ...

Страница 66: ... ristic of the gas being used Example having set in step 15 a CO2 content of 9 5 for G20 gas at step 18 the reading should be 9 0 9 5 0 5 If the difference satisfies the delta CO 19 2 requirement go to the next step Other wise follow the instructions given in steps 30 and 35 including the note in the procedure given in Paragraph 6 3 CHANGE OF GAS TYPE 70 Enter menu 2 and execute action 25 forced s...

Страница 67: ... might be visualized If the operating code is generated by the controller of the appliance see the list of codes in Table 8 1 TABLE OF OPERATING CODES generated by the controller firmware version 3 100 77 if the operating code is generated by the DDC see the list of codes given in the installation technician manual manual 1 of the DDC supplied with the unit Successful first start up ONLY certifies...

Страница 68: ...ECTRONICS 18 Turn the knob clockwise until the display shows parameter 2 25 1 Press the knob to display the flashing cancel forcing request UnF1 2 Press the knob again to execute the cancel operation The request stops flashing 3 and the display shows 2 25 again The cancel operation has been performed To exit the menu turn the knob clockwise until 2 E displays and press it to re 4 turn to the menu ...

Страница 69: ...ombustion chamber remove any deposits after having cleaned the heat ex changer with a soft brush not metal bristles Do not use acid or alkaline cle aning products Rear interior insulation replace if visibly damaged or obstructing the condensa te evacuation siphon so that the combustion chamber has filled up Hatch and burner gaskets replace if visibly damaged The silicon gasket used on the Isotherm...

Страница 70: ... con version 73 if the diameter of the nozzle to be used with the gas with which the appliance is to be operated corresponds to the diameter of the existing nozzle skip directly to the step checking the value of parameter 45 step 8 onwards If on the other hand the diameter is different from that of the existing nozzle the latter must be replaced Remove the outer front panel H Figure 6 1 Checking a...

Страница 71: ...iances this check steps 11 to 18 need only be done once so long as it is done with the appliance furthest from the mains connection for the other appliances skip directly from step 11 to step 20 Open the internal panel E by undoing its bolts 11 Undo the bolt sealing the inlet gas pressure socket Figure 6 2 Gas valve 12 67 detail D Connect the manometer to the gas intake mains pressure 13 Open the ...

Страница 72: ...ng should be 9 0 9 5 0 5 If the difference satisfies the 29 delta CO2 requirement go to step 34 otherwise proceed as follows Open the access F to the OFFSET regulator which is part of the gas valve by 30 removing the access cap M on the internal panel E Open the internal panel E and using aTorxTX40 wrench B remove the cap A 31 on the OFFSET regulator C Close the internal panel E Through hole F on ...

Страница 73: ...pletely restore the appliance 37 Figure 6 3 Gas type conversion Details of gas changeover procedure LEGEND A tube valve connection nut B tube air gas mixer connection nut C gas valve D gas nozzle E gasket large on tube valve fitting F gasket small on tube air gas mixer fitting G air gas mixer ...

Страница 74: ...74 ...

Страница 75: ...conversion to type C unit O DTT006 Includes plate for closing existing combustion air intake holes in type B configuration on the interior front panel DOUBLE FITTING DN80 80 Adapter for installing double pipes in type C configuration O RCC005 For application to concentric fitting O DTT006 CONDENSATE PUMP Pump for the condensate obtained from combustion products O PMP006 Handles up to 20 units COND...

Страница 76: ...US CAN BUS CABLE Cable for data communication networks for network connection between DDC and appliance O CVO008 Maximum length 450 m for details see the electrical connections section List of appliance accessories ...

Страница 77: ...3 CONNECTIONS FOR CON SENT SWITCH OPERATION 50 or the DDC if connected and in controller mo de are set for operation of the appliance check that the gas supply valve is open determine that no further indications are given on the display At this point if the appliance still does not start refrain from proceeding by trial and error instead request the direct assistance of an authorised Robur Technic...

Страница 78: ...ce in this case ignition has failed and a new event has occurred after u112 was reset run checks E 112 ARREST OF FLAME CONTROL UNIT Flame controller arrested failure to ignite burner all possible attempts to ignite the burner have failed Reset via the controller menu 2 parameter 20 or via DDC If the code persists contact authorised Robur TAC u 127 MACHINE INTERNAL CIRCUIT WATER PRESSURE SWITCH The...

Страница 79: ...DC If the code persists contact authorised Robur TAC E 177 INPUT WATER SYSTEM TEMPERATURE PROBE FAULT Fault interruption or short circuit on inlet system water temperature sensor Reset via the controller menu 2 parameter 21 or via DDC If the code persists contact authorised Robur TAC u 178 DELIVERY WATER TEMPERATURE MACHINE CIRCUIT HIGH The water temperature on the internal circuit machine circuit...

Страница 80: ...s or returns contact authorised Robur TAC E 85 INCORRECT MODULE TYPES from menu 6 The set module type from menu 6 does not correspond to the one managed by the controller Contact authorised Robur TAC E 86 E 87 E 88 E 89 MEMORY TEST UNSUCCESSFUL Processor error Contact authorised Robur TAC E 90 AMBIENT TEMPERATURE SENSOR DEFECTIVE Interruption or short circuit of ambient temperature sensor Contact ...

Страница 81: ...Installation user and maintenance manual AY Condensing line AY series 81 ...

Страница 82: ...11 F 39 035 884165 www robur it robur robur it La Mission Robur Code D LBR531 Revision A 08 MED SDC 017 10 12 2008 Robur is dedicated to dynamic progression in research development and promotion of safe environmentally friendly energy efficiency products through the commitment and caring of its employees and partners ...

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